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Brandon Rozek

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PhD Student @ RPI studying Automated Reasoning in AI and Linux Enthusiast.

Show Applications using the Internet

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There’s a great thread on ask ubuntu on seeing which applications are using the Internet. I’m going to add my own spin on the answers for future reference.

lsof -i | awk '{print $1}' | uniq | tail -n +2

Breaking it down…

  • lsof -i shows us a lot of information pertaining to processes accessing the Internet.
  • awk '{print $1}' filters the last output to only shown us the COMMAND column.
  • uniq filters out multiple occurrences of a single application.
  • tail -n +2 removes the first COMMAND line.
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